engines/gig/Profiler.h

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#ifndef __LS_GIG_PROFILER_H__
#define __LS_GIG_PROFILER_H__
#include <stdio.h>

namespace LinuxSampler { namespace gig {

    class Profiler {
        public:
            static void Reset( void )
            {
                    profilingSamples = 0;
                    profilingTime = 0;
            }

            static unsigned int GetBogoVoices( unsigned int SamplingFreq );

            static unsigned long long Stamp( void )
            {
                    unsigned long long temp;
                    __asm__ __volatile__ ("rdtsc" : "=A" (temp));
                    return temp;
            }

            static void Record( unsigned long long start,
                        unsigned int samples, unsigned int skip )
            {
                    unsigned long long stop = Stamp();
                    profilingTime += (stop - start);
                    profilingSamples += (samples - skip);
            }

            static void Calibrate( void );

        private:
            static unsigned long long profilingSamples;
            static unsigned long long profilingTime;
            static unsigned long long ticksPerSecond;
    };

}} // namespace LinuxSampler::gig

#endif // __LS_GIG_PROFILER_H__
1	/***************************************************************************
2	* *
3	* LinuxSampler - modular, streaming capable sampler *
4	* *
5	* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6	* *
7	* This program is free software; you can redistribute it and/or modify *
8	* it under the terms of the GNU General Public License as published by *
9	* the Free Software Foundation; either version 2 of the License, or *
10	* (at your option) any later version. *
11	* *
12	* This program is distributed in the hope that it will be useful, *
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15	* GNU General Public License for more details. *
16	* *
17	* You should have received a copy of the GNU General Public License *
18	* along with this program; if not, write to the Free Software *
19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
20	* MA 02111-1307 USA *
21	***************************************************************************/
22
23	#ifndef __LS_GIG_PROFILER_H__
24	#define __LS_GIG_PROFILER_H__
25	#include <stdio.h>
26
27	namespace LinuxSampler { namespace gig {
28
29	class Profiler {
30	public:
31	static void Reset( void )
32	{
33	profilingSamples = 0;
34	profilingTime = 0;
35	}
36
37	static unsigned int GetBogoVoices( unsigned int SamplingFreq );
38
39	static unsigned long long Stamp( void )
40	{
41	unsigned long long temp;
42	__asm__ __volatile__ ("rdtsc" : "=A" (temp));
43	return temp;
44	}
45
46	static void Record( unsigned long long start,
47	unsigned int samples, unsigned int skip )
48	{
49	unsigned long long stop = Stamp();
50	profilingTime += (stop - start);
51	profilingSamples += (samples - skip);
52	}
53
54	static void Calibrate( void );
55
56	private:
57	static unsigned long long profilingSamples;
58	static unsigned long long profilingTime;
59	static unsigned long long ticksPerSecond;
60	};
61
62	}} // namespace LinuxSampler::gig
63
64	#endif // __LS_GIG_PROFILER_H__